How should we face up to the difficulties and frustrations we come across in our daily lives? Can we learn from our mistakes? How should we adapt to change? No te rindas offers us a friendly and accessible way of dealing with adversity and the doubts and fears that stalk us every day, encouraging us to grow and meet new objectives. • Happiness does not depend on how things are, but on our interpretation of them. • Affective maturity is the ability to give and receive love. • Only those who make sense of their lives can really enjoy existence and completely live up to their potential. • Controlling negative thoughts can help us to improve our mood.